SpaceTradersAPI vs SuperHeroes

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms9461145
P95 · ms19722157
AuthapiKeyapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — key may be required
Rate limitRetry-After: 1sUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

SpaceTradersAPI vs SuperHeroes: common questions

Which is more reliable, SpaceTradersAPI or SuperHeroes?

On our scheduled checks, SpaceTradersAPI leads on measured uptime — SpaceTradersAPI at 100% versus SuperHeroes at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, SpaceTradersAPI or SuperHeroes?

SpaceTradersAPI has the lower median latency in our checks — SpaceTradersAPI responds in 946 ms versus SuperHeroes at 1145 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do SpaceTradersAPI and SuperHeroes need an API key?

Both ask you to authenticate — SpaceTradersAPI uses an API key and SuperHeroes uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call SpaceTradersAPI and SuperHeroes from the browser?

Yes — both SpaceTradersAPI and SuperHeroes send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are SpaceTradersAPI and SuperHeroes free for commercial use?

SpaceTradersAPI has unclear commercial terms, and SuperHeroes has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.